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Old 12-24-2007, 06:24 PM   #1
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Default Batch VS Fly What is The Big Diff.

So her it is. My next batch I will Batch Sparge. However I have never tried it before now. So I did some research on the forum here, and I came up with some pros and cons. They are:
Batch: 1. Faster
2. easier to attain eff.
3. More fiddling with adding batches of water.
4. requires HLT.

Fly: 1. Easy one step process
2. requires HLT
3. Takes longer.
4. more difficult to zero in.
So, does this sound right so far?
Now that is out of the way What am I missing and what are the supporting arguments either way? Thank you all for your time and considerate thoughts.

S.

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Old 12-24-2007, 06:34 PM   #2
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I have to disagree with one statement each:

Batch: 2. easier to attain eff.
Perhaps it's easier to achieve a consistent efficiency if you batch sparge, but sparge method alone does not impact efficiency as much as other factors such as mash thickness, pH, temperature, and grain crush.

Fly: 1. Easy one step process
No way. It's really easy to screw up a fly sparge - channeling, run-off rate, grain bed condition, sparge water introduction method, and some others I'm sure I'm forgetting can present some pretty big hurdles to overcome.

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Old 12-24-2007, 06:53 PM   #3
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Quote:
Originally Posted by Yuri_Rage
I have to disagree with one statement each:

Batch: 2. easier to attain eff.
Perhaps it's easier to achieve a consistent efficiency if you batch sparge, but sparge method alone does not impact efficiency as much as other factors such as mash thickness, pH, temperature, and grain crush.

Fly: 1. Easy one step process
No way. It's really easy to screw up a fly sparge - channeling, run-off rate, grain bed condition, sparge water introduction method, and some others I'm sure I'm forgetting can present some pretty big hurdles to overcome.
alright I can see your point, but since there are so many variables in flying would this not make obtaining efficiency easier in a batch.
I should have said that flying is a easy one step process in that you start your sparge once and when the water runs out it is done. You are correct that there are a lot of variables that contribute to both and that those variables effect eff. This is good stuff, this is why I put it to the Forum. I don't know a lot about the subject, but I want to. So thank you very much. S.
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Old 12-24-2007, 07:27 PM   #4
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My general understanding is that, done right, fly sparging vs batch will extract more sugars from the total mash yeilding a higher possible effeciency.

Note that I said "Possible". In reality, batch sparging is as "good" as fly sparging and odds are other parts of your equipment/procedure will matter more, as Yuri said.

I personally prefer batch sparging because it's much simpler and easier.

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Old 12-24-2007, 08:18 PM   #5
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You listed "requires HLT" in both lists. Why not strike it since it is a constant? I mean, both methods require grain and water too.

Additional con for batch sparging: must vorlauf before each running.

Fly sparging only requires one vorlauf at most, and if you recirculate your wort (e.g., HERMS or direct recirculation), vorlaufing may be taken care of by that process depending on how you are doing it. For batch sparging, you will usually have to vorlauf two times.

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Old 12-24-2007, 11:14 PM   #6
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It's true that you have to vorlauf at the beginning of each run but it's only a quart or less each time with batch sparging. When I fly sparged, I had to take close to a gallon. Also, batch sparging is faster and easier than fly sparging IMO. I don't have to monitor Ph during the sparge or frig with the flow rates to get them balanced and I haven't seen any negative impact on my eff at all.

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Old 12-25-2007, 04:22 AM   #7
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Actually, when comparing the two in regard to an HLT, it's a matter of how the water flows out. In fly, you have to dial the flow in rather precisely. In batch you can litereally dump the water into the MLT. I'd suggest going batch first. If you feel like you're missing something, then buy yourself a false bottom and sparge arm.

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Old 12-25-2007, 04:29 AM   #8
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Quote:
I don't have to monitor Ph during the sparge
Neither do I, Once the Fly water is set the Ph isn't going to change appreciably, plus at that point does it even matter? Once you start the sparge you are done mashing, all you are doing is rinsing the sugars, keeping the enzymes happy is irrelevant at that point.

My set up is marked, unless I get a stuck sparge, I set the valves to the marks and walk away once you have tweaked your flow rate it isn't hard and to me, no more work than batch sparging. But that's just me

Really isn't a better, both work it's about personal preference.
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Old 12-25-2007, 07:07 AM   #9
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Take a look here.

The facts without opinion.

http://www.homebrewtalk.com/wiki/index.php/Sparging

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Old 12-25-2007, 12:37 PM   #10
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I think it's important to note that when we're debating which is "better" that we're both making beer. Keeping that in mind will help you realize that we're splitting hairs in friendly debate because we love talking about brewing.

I also want to suggest that if you're a major proponent of one method over the other, your opinion should hold more water if you've tried both methods and made up your mind that way. I think a good majority of folks picked a method, found that it works (of course) and had no reason to change. In my case, I started with batch and never saw an efficiency lower than 76% (the average is now 90%). You can imagine why I stick with it and suggest it. However, I've never tried fly sparging. Maybe it would eek me out another 5% but it's not worth the thought and money.

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